SOLUTION: In a class, 2/5 of the boys wear glasses and 1/3 of the girls wear glasses. What fraction of the class wear glasses? A 3/68 B 2/15 C 11/30 D 11/15 E none enough informati

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: In a class, 2/5 of the boys wear glasses and 1/3 of the girls wear glasses. What fraction of the class wear glasses? A 3/68 B 2/15 C 11/30 D 11/15 E none enough informati      Log On


   

Question 287611: In a class, 2/5 of the boys wear glasses and 1/3 of the girls wear glasses. What fraction of the class wear glasses?
A 3/68 B 2/15 C 11/30 D 11/15 E none enough information
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Not enough info
Suppose there are 5 boys and 300 girls
Then 2%2F305+%2B+100%2F305+=+102%2F305
102%2F305+=+.3344
33.4% wear glasses
Suppose there are 50 boys and 30 girls
Then 20%2F80+%2B+10%2F80+=+30%2F80
30%2F80+=+.375
37.5% wear glasses